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The ongoing tensions between the families of the late megastar Whitney Houston and her ex-husband, R&B singer Bobby Brown, erupted Saturday during a memorial service for their daughter, Bobbi Kristina. (Published Saturday, Aug. 1, 2015)

The ongoing tensions between the families of the late megastar Whitney Houston and her ex-husband, R&B singer Bobby Brown, erupted Saturday during a memorial service for their daughter, Bobbi Kristina.

Bobbi Kristina, who dreamed of growing up to achieve fame like her mother, died in hospice care July 26, about six months after she was found face-down and unresponsive in a bathtub in her suburban Atlanta townhome.

A longstanding rift between families of the young woman's famous mother and father broke out into the open at a memorial service being held for Bobbi Kristina at the St. James United Methodist Church in Alpharetta.

Leolah Brown, the sister of Bobby Brown, walked out of the church and spoke to reporters gathered outside. She said she was angry because Pat Houston was speaking at the funeral. Pat Houston is the sister-in-law and former manager for the late Whitney Houston.

Bobbi Kristina Mourned at Funeral

"I told her that Whitney is going to haunt her from the grave," Leolah Brown told reporters outside the church.

She suggested that the feud between the Houstons and the Browns was far from over.

Bobbi Kristina's death was grimly similar to the way her megastar mother had died three years earlier.

Bobbi Kristina was found in the townhome she shared with Nick Gordon, an orphan three years older, whom Houston had raised as her own. Bobbi Kristina referred to him as her husband. A police report earlier this year described the incident as a drowning, and authorities are investigating her death.

Bobbi Kristina Brown was the only child of Houston and Brown and was raised in the shadow of her famous parents' hugely public life.

She appeared alongside the couple in 2005 on the Bravo reality show "Being Bobby Brown," which showed her parents fighting, swearing and making court appearances. She attended award shows with her mother and father, walked red carpets with them and sang in Central Park with Houston as adoring fans watched.

Bobbi Kristina was the sole heir of her mother's estate. She identified herself on Twitter as "Daughter of Queen WH," ''Entertainer/Actress" with William Morris & Co., and "LAST of a dying breed."

Remembering Bobbi Kristina Brown

She told Oprah Winfrey shortly after her mother's death in 2012 that she wanted to carry on Houston's legacy by singing, acting and dancing. But her career never took off.

In her short life, Bobbi Christina became a social media sensation, sending more than 11,000 tweets and attracting 164,000 followers.